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<FONT color="green">001</FONT>    package org.hackystat.ui.telemetryviewer.server;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import com.google.gwt.user.server.rpc.RemoteServiceServlet;<a name="line.3"></a>
<FONT color="green">004</FONT>    import org.timepedia.chronoscope.client.canvas.FontRendererService;<a name="line.4"></a>
<FONT color="green">005</FONT>    import org.timepedia.chronoscope.client.canvas.RenderedFontMetrics;<a name="line.5"></a>
<FONT color="green">006</FONT>    <a name="line.6"></a>
<FONT color="green">007</FONT>    import javax.imageio.ImageIO;<a name="line.7"></a>
<FONT color="green">008</FONT>    import javax.servlet.ServletException;<a name="line.8"></a>
<FONT color="green">009</FONT>    import javax.servlet.ServletOutputStream;<a name="line.9"></a>
<FONT color="green">010</FONT>    import javax.servlet.http.HttpServletRequest;<a name="line.10"></a>
<FONT color="green">011</FONT>    import javax.servlet.http.HttpServletResponse;<a name="line.11"></a>
<FONT color="green">012</FONT>    import java.awt.Color;<a name="line.12"></a>
<FONT color="green">013</FONT>    import java.awt.Font;<a name="line.13"></a>
<FONT color="green">014</FONT>    import java.awt.FontMetrics;<a name="line.14"></a>
<FONT color="green">015</FONT>    import java.awt.Graphics2D;<a name="line.15"></a>
<FONT color="green">016</FONT>    import java.awt.Rectangle;<a name="line.16"></a>
<FONT color="green">017</FONT>    import java.awt.RenderingHints;<a name="line.17"></a>
<FONT color="green">018</FONT>    import java.awt.font.TextLayout;<a name="line.18"></a>
<FONT color="green">019</FONT>    import java.awt.geom.AffineTransform;<a name="line.19"></a>
<FONT color="green">020</FONT>    import java.awt.geom.Rectangle2D;<a name="line.20"></a>
<FONT color="green">021</FONT>    import java.awt.image.BufferedImage;<a name="line.21"></a>
<FONT color="green">022</FONT>    import java.io.IOException;<a name="line.22"></a>
<FONT color="green">023</FONT>    import java.io.UnsupportedEncodingException;<a name="line.23"></a>
<FONT color="green">024</FONT>    import java.net.URLEncoder;<a name="line.24"></a>
<FONT color="green">025</FONT>    <a name="line.25"></a>
<FONT color="green">026</FONT>    /**<a name="line.26"></a>
<FONT color="green">027</FONT>     * Servlet which implements FontRenderService for returning font metrics as well<a name="line.27"></a>
<FONT color="green">028</FONT>     * as rendering font books.<a name="line.28"></a>
<FONT color="green">029</FONT>     * &lt;p/&gt;<a name="line.29"></a>
<FONT color="green">030</FONT>     * This class is currently a hack, derived from a prototype to see if it would work, and grafted<a name="line.30"></a>
<FONT color="green">031</FONT>     * into Chronoscope,  see &lt;a<a name="line.31"></a>
<FONT color="green">032</FONT>     * href="http://timepedia.blogspot.com/2007/06/gwt-canvas-rendering-rotated-text.html"&gt;<a name="line.32"></a>
<FONT color="green">033</FONT>     * GWT Canvas: Rendering Rotated Text&lt;/a&gt;. As such, it deserves a rewrite.<a name="line.33"></a>
<FONT color="green">034</FONT>     * <a name="line.34"></a>
<FONT color="green">035</FONT>     * @author Chronoscope Group<a name="line.35"></a>
<FONT color="green">036</FONT>     * @author Modifications David J. Nickles<a name="line.36"></a>
<FONT color="green">037</FONT>     */<a name="line.37"></a>
<FONT color="green">038</FONT>    public class FontRenderer extends RemoteServiceServlet implements FontRendererService {<a name="line.38"></a>
<FONT color="green">039</FONT>      private static final long serialVersionUID = -86161039788983444L;<a name="line.39"></a>
<FONT color="green">040</FONT>      private static final boolean DEBUG = false;<a name="line.40"></a>
<FONT color="green">041</FONT>    <a name="line.41"></a>
<FONT color="green">042</FONT>      /**<a name="line.42"></a>
<FONT color="green">043</FONT>       * @param req the value of the request url<a name="line.43"></a>
<FONT color="green">044</FONT>       * @param res the value of the response url<a name="line.44"></a>
<FONT color="green">045</FONT>       * @throws ServletException if processing error occurs<a name="line.45"></a>
<FONT color="green">046</FONT>       * @throws IOException if writing output error occurs<a name="line.46"></a>
<FONT color="green">047</FONT>       */<a name="line.47"></a>
<FONT color="green">048</FONT>      public void doGet(final HttpServletRequest req, final HttpServletResponse res)<a name="line.48"></a>
<FONT color="green">049</FONT>        throws ServletException, IOException {<a name="line.49"></a>
<FONT color="green">050</FONT>    <a name="line.50"></a>
<FONT color="green">051</FONT>        String json = req.getParameter("json");<a name="line.51"></a>
<FONT color="green">052</FONT>    <a name="line.52"></a>
<FONT color="green">053</FONT>        String font = req.getParameter("ff");<a name="line.53"></a>
<FONT color="green">054</FONT>        int fontWeight = getFontWeight(req, "fw", 500);<a name="line.54"></a>
<FONT color="green">055</FONT>        int fontSize = getFontSize(req, "fs", 9);<a name="line.55"></a>
<FONT color="green">056</FONT>        //TODO: hack to fix Java font rendering issue for this font<a name="line.56"></a>
<FONT color="green">057</FONT>        if ("Verdana".equalsIgnoreCase(font) &amp;&amp; fontSize == 10) {<a name="line.57"></a>
<FONT color="green">058</FONT>          fontSize = 9;<a name="line.58"></a>
<FONT color="green">059</FONT>        }<a name="line.59"></a>
<FONT color="green">060</FONT>        double angle = getDouble(req, "a", 0.0);<a name="line.60"></a>
<FONT color="green">061</FONT>        Color color = getColor(req.getParameter("c"));<a name="line.61"></a>
<FONT color="green">062</FONT>    <a name="line.62"></a>
<FONT color="green">063</FONT>        if (json == null) {<a name="line.63"></a>
<FONT color="green">064</FONT>          res.setContentType("image/png");<a name="line.64"></a>
<FONT color="green">065</FONT>          ServletOutputStream out = res.getOutputStream();<a name="line.65"></a>
<FONT color="green">066</FONT>          renderFontBook(req, font, fontWeight, fontSize, angle, color, out);<a name="line.66"></a>
<FONT color="green">067</FONT>        }<a name="line.67"></a>
<FONT color="green">068</FONT>        else {<a name="line.68"></a>
<FONT color="green">069</FONT>          RenderedFontMetrics rfm = getRenderedFontMetrics(req, font, ""<a name="line.69"></a>
<FONT color="green">070</FONT>              + fontWeight, "" + fontSize + "pt", req.getParameter("c"),<a name="line.70"></a>
<FONT color="green">071</FONT>              (float) angle);<a name="line.71"></a>
<FONT color="green">072</FONT>          res.setContentType("text/javascript");<a name="line.72"></a>
<FONT color="green">073</FONT>          ServletOutputStream out = res.getOutputStream();<a name="line.73"></a>
<FONT color="green">074</FONT>          writeJSON(out, rfm, json);<a name="line.74"></a>
<FONT color="green">075</FONT>        }<a name="line.75"></a>
<FONT color="green">076</FONT>      }<a name="line.76"></a>
<FONT color="green">077</FONT>    <a name="line.77"></a>
<FONT color="green">078</FONT>      /**<a name="line.78"></a>
<FONT color="green">079</FONT>       * @param out the response font<a name="line.79"></a>
<FONT color="green">080</FONT>       * @param rfm the font metrics<a name="line.80"></a>
<FONT color="green">081</FONT>       * @param json the serialized object<a name="line.81"></a>
<FONT color="green">082</FONT>       * @throws IOException if a problem occurs<a name="line.82"></a>
<FONT color="green">083</FONT>       */<a name="line.83"></a>
<FONT color="green">084</FONT>      private void writeJSON(ServletOutputStream out, RenderedFontMetrics rfm,<a name="line.84"></a>
<FONT color="green">085</FONT>          String json) throws IOException {<a name="line.85"></a>
<FONT color="green">086</FONT>        out.print(json + "(");<a name="line.86"></a>
<FONT color="green">087</FONT>        out.println("{");<a name="line.87"></a>
<FONT color="green">088</FONT>        out.println("leading: " + rfm.leading + ", ");<a name="line.88"></a>
<FONT color="green">089</FONT>        out.println("maxAscent: " + rfm.maxAscent + ", ");<a name="line.89"></a>
<FONT color="green">090</FONT>        out.println("maxAdvance: " + rfm.maxAdvance + ", ");<a name="line.90"></a>
<FONT color="green">091</FONT>        out.println("maxDescent: " + rfm.maxDescent + ", ");<a name="line.91"></a>
<FONT color="green">092</FONT>        out.println("maxBoundsHeight: " + rfm.maxBoundsHeight + ", ");<a name="line.92"></a>
<FONT color="green">093</FONT>        out.println("maxBoundsWidth: " + rfm.maxBoundsWidth + ", ");<a name="line.93"></a>
<FONT color="green">094</FONT>        out.println("url: \"" + rfm.url + "\", ");<a name="line.94"></a>
<FONT color="green">095</FONT>        out.println("advances: [");<a name="line.95"></a>
<FONT color="green">096</FONT>        for (int i = 0; i &lt; rfm.advances.length; i++) {<a name="line.96"></a>
<FONT color="green">097</FONT>          out.print(rfm.advances[i]);<a name="line.97"></a>
<FONT color="green">098</FONT>          if (i &lt; rfm.advances.length - 1) {<a name="line.98"></a>
<FONT color="green">099</FONT>            out.print(", ");<a name="line.99"></a>
<FONT color="green">100</FONT>          }<a name="line.100"></a>
<FONT color="green">101</FONT>        }<a name="line.101"></a>
<FONT color="green">102</FONT>        out.println("]");<a name="line.102"></a>
<FONT color="green">103</FONT>        out.println("}");<a name="line.103"></a>
<FONT color="green">104</FONT>        out.println(");");<a name="line.104"></a>
<FONT color="green">105</FONT>        out.flush();<a name="line.105"></a>
<FONT color="green">106</FONT>      }<a name="line.106"></a>
<FONT color="green">107</FONT>    <a name="line.107"></a>
<FONT color="green">108</FONT>      /**<a name="line.108"></a>
<FONT color="green">109</FONT>       * @param parameter the http color value<a name="line.109"></a>
<FONT color="green">110</FONT>       * @return the http color value<a name="line.110"></a>
<FONT color="green">111</FONT>       */<a name="line.111"></a>
<FONT color="green">112</FONT>      private Color getColor(String parameter) {<a name="line.112"></a>
<FONT color="green">113</FONT>        if (parameter == null) {<a name="line.113"></a>
<FONT color="green">114</FONT>          return Color.black;<a name="line.114"></a>
<FONT color="green">115</FONT>        }<a name="line.115"></a>
<FONT color="green">116</FONT>        String modParameter = parameter.trim();<a name="line.116"></a>
<FONT color="green">117</FONT>    <a name="line.117"></a>
<FONT color="green">118</FONT>        try {<a name="line.118"></a>
<FONT color="green">119</FONT>          if (modParameter.startsWith("#")) {<a name="line.119"></a>
<FONT color="green">120</FONT>            return Color.decode(modParameter);<a name="line.120"></a>
<FONT color="green">121</FONT>          }<a name="line.121"></a>
<FONT color="green">122</FONT>          else if (modParameter.startsWith("rgb(")) {<a name="line.122"></a>
<FONT color="green">123</FONT>            modParameter = modParameter.substring(4);<a name="line.123"></a>
<FONT color="green">124</FONT>            modParameter = modParameter.substring(0, modParameter.length() - 1);<a name="line.124"></a>
<FONT color="green">125</FONT>            String rgb[] = modParameter.split("\\s*,\\s*");<a name="line.125"></a>
<FONT color="green">126</FONT>            return new Color(Integer.parseInt(rgb[0]), Integer.parseInt(rgb[1]),<a name="line.126"></a>
<FONT color="green">127</FONT>                Integer.parseInt(rgb[2]));<a name="line.127"></a>
<FONT color="green">128</FONT>          }<a name="line.128"></a>
<FONT color="green">129</FONT>        }<a name="line.129"></a>
<FONT color="green">130</FONT>        catch (NumberFormatException e) {<a name="line.130"></a>
<FONT color="green">131</FONT>          return Color.black;<a name="line.131"></a>
<FONT color="green">132</FONT>        }<a name="line.132"></a>
<FONT color="green">133</FONT>        return Color.black;<a name="line.133"></a>
<FONT color="green">134</FONT>      }<a name="line.134"></a>
<FONT color="green">135</FONT>    <a name="line.135"></a>
<FONT color="green">136</FONT>      /**<a name="line.136"></a>
<FONT color="green">137</FONT>       * @param req value of request<a name="line.137"></a>
<FONT color="green">138</FONT>       * @param param value of font attributes<a name="line.138"></a>
<FONT color="green">139</FONT>       * @param def the font weight<a name="line.139"></a>
<FONT color="green">140</FONT>       * @return the font weight<a name="line.140"></a>
<FONT color="green">141</FONT>       */<a name="line.141"></a>
<FONT color="green">142</FONT>      private int getFontWeight(HttpServletRequest req, String param, int def) {<a name="line.142"></a>
<FONT color="green">143</FONT>        String sparam = req.getParameter(param);<a name="line.143"></a>
<FONT color="green">144</FONT>        return getFontWeight(def, sparam);<a name="line.144"></a>
<FONT color="green">145</FONT>      }<a name="line.145"></a>
<FONT color="green">146</FONT>    <a name="line.146"></a>
<FONT color="green">147</FONT>      /**<a name="line.147"></a>
<FONT color="green">148</FONT>       * @param def the font definition<a name="line.148"></a>
<FONT color="green">149</FONT>       * @param sparam additional parameters for the font<a name="line.149"></a>
<FONT color="green">150</FONT>       * @return the font weight<a name="line.150"></a>
<FONT color="green">151</FONT>       */<a name="line.151"></a>
<FONT color="green">152</FONT>      private int getFontWeight(int def, String sparam) {<a name="line.152"></a>
<FONT color="green">153</FONT>        if (sparam == null || "".equals(sparam)) {<a name="line.153"></a>
<FONT color="green">154</FONT>          return def &lt; 700 ? Font.PLAIN : Font.BOLD;<a name="line.154"></a>
<FONT color="green">155</FONT>        }<a name="line.155"></a>
<FONT color="green">156</FONT>        try {<a name="line.156"></a>
<FONT color="green">157</FONT>          if (sparam.equalsIgnoreCase("bold")) {<a name="line.157"></a>
<FONT color="green">158</FONT>            return Font.BOLD;<a name="line.158"></a>
<FONT color="green">159</FONT>          }<a name="line.159"></a>
<FONT color="green">160</FONT>          else if (sparam.equalsIgnoreCase("normal")) {<a name="line.160"></a>
<FONT color="green">161</FONT>            return Font.PLAIN;<a name="line.161"></a>
<FONT color="green">162</FONT>          }<a name="line.162"></a>
<FONT color="green">163</FONT>          else if (sparam.equalsIgnoreCase("bolder")) {<a name="line.163"></a>
<FONT color="green">164</FONT>            return Font.BOLD;<a name="line.164"></a>
<FONT color="green">165</FONT>          }<a name="line.165"></a>
<FONT color="green">166</FONT>          else if (sparam.equalsIgnoreCase("lighter")) {<a name="line.166"></a>
<FONT color="green">167</FONT>            return Font.PLAIN;<a name="line.167"></a>
<FONT color="green">168</FONT>          }<a name="line.168"></a>
<FONT color="green">169</FONT>    <a name="line.169"></a>
<FONT color="green">170</FONT>          return Integer.parseInt(sparam) &lt; 700 ? Font.PLAIN : Font.BOLD;<a name="line.170"></a>
<FONT color="green">171</FONT>        }<a name="line.171"></a>
<FONT color="green">172</FONT>        catch (NumberFormatException nfe) {<a name="line.172"></a>
<FONT color="green">173</FONT>          return def &lt; 700 ? Font.PLAIN : Font.BOLD;<a name="line.173"></a>
<FONT color="green">174</FONT>        }<a name="line.174"></a>
<FONT color="green">175</FONT>      }<a name="line.175"></a>
<FONT color="green">176</FONT>    <a name="line.176"></a>
<FONT color="green">177</FONT>      /**<a name="line.177"></a>
<FONT color="green">178</FONT>       * @param req the http request uri<a name="line.178"></a>
<FONT color="green">179</FONT>       * @param param the attributes of the request<a name="line.179"></a>
<FONT color="green">180</FONT>       * @param def the font definition<a name="line.180"></a>
<FONT color="green">181</FONT>       * @return the font size<a name="line.181"></a>
<FONT color="green">182</FONT>       */<a name="line.182"></a>
<FONT color="green">183</FONT>      private int getFontSize(HttpServletRequest req, String param, int def) {<a name="line.183"></a>
<FONT color="green">184</FONT>        String sparam = req.getParameter(param);<a name="line.184"></a>
<FONT color="green">185</FONT>        return getFontSize(def, sparam);<a name="line.185"></a>
<FONT color="green">186</FONT>      }<a name="line.186"></a>
<FONT color="green">187</FONT>    <a name="line.187"></a>
<FONT color="green">188</FONT>      /**<a name="line.188"></a>
<FONT color="green">189</FONT>       * @param def the font definition<a name="line.189"></a>
<FONT color="green">190</FONT>       * @param sparam font parameters<a name="line.190"></a>
<FONT color="green">191</FONT>       * @return the font size<a name="line.191"></a>
<FONT color="green">192</FONT>       */<a name="line.192"></a>
<FONT color="green">193</FONT>      private int getFontSize(int def, String sparam) {<a name="line.193"></a>
<FONT color="green">194</FONT>        if (sparam == null || "".equals(sparam)) {<a name="line.194"></a>
<FONT color="green">195</FONT>          return def;<a name="line.195"></a>
<FONT color="green">196</FONT>        }<a name="line.196"></a>
<FONT color="green">197</FONT>        try {<a name="line.197"></a>
<FONT color="green">198</FONT>          String modSparam = sparam;<a name="line.198"></a>
<FONT color="green">199</FONT>          if (sparam.endsWith("pt")) {<a name="line.199"></a>
<FONT color="green">200</FONT>            modSparam = sparam.substring(0, sparam.length() - 2);<a name="line.200"></a>
<FONT color="green">201</FONT>          }<a name="line.201"></a>
<FONT color="green">202</FONT>          return Math.min(Math.max(Integer.parseInt(modSparam), 9), 30);<a name="line.202"></a>
<FONT color="green">203</FONT>        }<a name="line.203"></a>
<FONT color="green">204</FONT>        catch (NumberFormatException nfe) {<a name="line.204"></a>
<FONT color="green">205</FONT>          return def;<a name="line.205"></a>
<FONT color="green">206</FONT>        }<a name="line.206"></a>
<FONT color="green">207</FONT>      }<a name="line.207"></a>
<FONT color="green">208</FONT>    <a name="line.208"></a>
<FONT color="green">209</FONT>      /**<a name="line.209"></a>
<FONT color="green">210</FONT>       * @param req the uri<a name="line.210"></a>
<FONT color="green">211</FONT>       * @param font the font name<a name="line.211"></a>
<FONT color="green">212</FONT>       * @param fontWeight the font weight<a name="line.212"></a>
<FONT color="green">213</FONT>       * @param fontSize the weight size<a name="line.213"></a>
<FONT color="green">214</FONT>       * @param angle the font angle<a name="line.214"></a>
<FONT color="green">215</FONT>       * @param color the font color<a name="line.215"></a>
<FONT color="green">216</FONT>       * @param out output stream for resulting font<a name="line.216"></a>
<FONT color="green">217</FONT>       * @throws IOException if error occurs<a name="line.217"></a>
<FONT color="green">218</FONT>       */<a name="line.218"></a>
<FONT color="green">219</FONT>      private void renderFontBook(HttpServletRequest req, String font,<a name="line.219"></a>
<FONT color="green">220</FONT>          int fontWeight, int fontSize, double angle, Color color,<a name="line.220"></a>
<FONT color="green">221</FONT>          ServletOutputStream out) throws IOException {<a name="line.221"></a>
<FONT color="green">222</FONT>        RenderedFontMetrics rfm = getRenderedFontMetrics(req, font,<a name="line.222"></a>
<FONT color="green">223</FONT>            fontWeight == Font.PLAIN ? "normal" : "bold", fontSize + "pt",<a name="line.223"></a>
<FONT color="green">224</FONT>            toHex(color), (float) angle);<a name="line.224"></a>
<FONT color="green">225</FONT>    <a name="line.225"></a>
<FONT color="green">226</FONT>        int width = rfm.maxBoundsWidth * 16;<a name="line.226"></a>
<FONT color="green">227</FONT>        int lineHeight = rfm.maxBoundsHeight;<a name="line.227"></a>
<FONT color="green">228</FONT>        int height = lineHeight * 16;<a name="line.228"></a>
<FONT color="green">229</FONT>        BufferedImage bi = new BufferedImage(width, height,<a name="line.229"></a>
<FONT color="green">230</FONT>            BufferedImage.TYPE_INT_ARGB);<a name="line.230"></a>
<FONT color="green">231</FONT>        Graphics2D g2 = (Graphics2D) bi.getGraphics();<a name="line.231"></a>
<FONT color="green">232</FONT>        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,<a name="line.232"></a>
<FONT color="green">233</FONT>            RenderingHints.VALUE_ANTIALIAS_ON);<a name="line.233"></a>
<FONT color="green">234</FONT>        g2.setRenderingHint(RenderingHints.KEY_RENDERING,<a name="line.234"></a>
<FONT color="green">235</FONT>            RenderingHints.VALUE_RENDER_QUALITY);<a name="line.235"></a>
<FONT color="green">236</FONT>        g2.setRenderingHint(RenderingHints.KEY_COLOR_RENDERING,<a name="line.236"></a>
<FONT color="green">237</FONT>            RenderingHints.VALUE_COLOR_RENDER_QUALITY);<a name="line.237"></a>
<FONT color="green">238</FONT>        g2.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,<a name="line.238"></a>
<FONT color="green">239</FONT>            RenderingHints.VALUE_FRACTIONALMETRICS_ON);<a name="line.239"></a>
<FONT color="green">240</FONT>        g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,<a name="line.240"></a>
<FONT color="green">241</FONT>            RenderingHints.VALUE_TEXT_ANTIALIAS_ON);<a name="line.241"></a>
<FONT color="green">242</FONT>    <a name="line.242"></a>
<FONT color="green">243</FONT>        Font f = new Font(font, fontWeight, fontSize);<a name="line.243"></a>
<FONT color="green">244</FONT>        g2.setPaint(new Color(0, 0, 0, 0));<a name="line.244"></a>
<FONT color="green">245</FONT>        g2.fillRect(0, 0, width, height);<a name="line.245"></a>
<FONT color="green">246</FONT>    <a name="line.246"></a>
<FONT color="green">247</FONT>        g2.setColor(color);<a name="line.247"></a>
<FONT color="green">248</FONT>        g2.setPaint(color);<a name="line.248"></a>
<FONT color="green">249</FONT>        g2.setFont(f);<a name="line.249"></a>
<FONT color="green">250</FONT>    <a name="line.250"></a>
<FONT color="green">251</FONT>        int x = 0, y = 0;<a name="line.251"></a>
<FONT color="green">252</FONT>        for (char c = 0; c &lt; 256; c++) {<a name="line.252"></a>
<FONT color="green">253</FONT>          if (c % 16 == 0) {<a name="line.253"></a>
<FONT color="green">254</FONT>            x = 0;<a name="line.254"></a>
<FONT color="green">255</FONT>          }<a name="line.255"></a>
<FONT color="green">256</FONT>    <a name="line.256"></a>
<FONT color="green">257</FONT>          AffineTransform at = g2.getTransform();<a name="line.257"></a>
<FONT color="green">258</FONT>          at.setToIdentity();<a name="line.258"></a>
<FONT color="green">259</FONT>          at.translate(x, y);<a name="line.259"></a>
<FONT color="green">260</FONT>          g2.setTransform(at);<a name="line.260"></a>
<FONT color="green">261</FONT>          // DEBUG<a name="line.261"></a>
<FONT color="green">262</FONT>          if (DEBUG) {<a name="line.262"></a>
<FONT color="green">263</FONT>            g2.setColor(Color.red);<a name="line.263"></a>
<FONT color="green">264</FONT>            g2.draw(new Rectangle2D.Float(0, 0, rfm.maxBoundsWidth, lineHeight));<a name="line.264"></a>
<FONT color="green">265</FONT>          }<a name="line.265"></a>
<FONT color="green">266</FONT>          // end DEBUG<a name="line.266"></a>
<FONT color="green">267</FONT>          int mid = (lineHeight) / 2;<a name="line.267"></a>
<FONT color="green">268</FONT>          g2.translate(rfm.maxBoundsWidth / 2, mid);<a name="line.268"></a>
<FONT color="green">269</FONT>          g2.rotate(angle);<a name="line.269"></a>
<FONT color="green">270</FONT>          // DEBUG section<a name="line.270"></a>
<FONT color="green">271</FONT>          if (DEBUG) {<a name="line.271"></a>
<FONT color="green">272</FONT>            g2.setColor(Color.red);<a name="line.272"></a>
<FONT color="green">273</FONT>    <a name="line.273"></a>
<FONT color="green">274</FONT>            g2.draw(new Rectangle2D.Double(-1, -1, 1, 1));<a name="line.274"></a>
<FONT color="green">275</FONT>            g2.setColor(color);<a name="line.275"></a>
<FONT color="green">276</FONT>          }<a name="line.276"></a>
<FONT color="green">277</FONT>          // end DEBUG<a name="line.277"></a>
<FONT color="green">278</FONT>          g2.translate(-rfm.maxBoundsWidth / 2, -mid);<a name="line.278"></a>
<FONT color="green">279</FONT>    <a name="line.279"></a>
<FONT color="green">280</FONT>          //            g2.translate(0, angle &lt; 0 ? rfm.maxAscent : -rfm.maxDescent);<a name="line.280"></a>
<FONT color="green">281</FONT>          g2.translate(0, rfm.maxAscent);<a name="line.281"></a>
<FONT color="green">282</FONT>          g2.drawString(String.valueOf(c), 0, 0);<a name="line.282"></a>
<FONT color="green">283</FONT>    <a name="line.283"></a>
<FONT color="green">284</FONT>          x += rfm.maxBoundsWidth;<a name="line.284"></a>
<FONT color="green">285</FONT>          if (c % 16 == 15) {<a name="line.285"></a>
<FONT color="green">286</FONT>            y += lineHeight;<a name="line.286"></a>
<FONT color="green">287</FONT>          }<a name="line.287"></a>
<FONT color="green">288</FONT>    <a name="line.288"></a>
<FONT color="green">289</FONT>        }<a name="line.289"></a>
<FONT color="green">290</FONT>    <a name="line.290"></a>
<FONT color="green">291</FONT>        ImageIO.write(bi, "png", out);<a name="line.291"></a>
<FONT color="green">292</FONT>        out.flush();<a name="line.292"></a>
<FONT color="green">293</FONT>        g2.dispose();<a name="line.293"></a>
<FONT color="green">294</FONT>      }<a name="line.294"></a>
<FONT color="green">295</FONT>    <a name="line.295"></a>
<FONT color="green">296</FONT>      /**<a name="line.296"></a>
<FONT color="green">297</FONT>       * @param color the html font color<a name="line.297"></a>
<FONT color="green">298</FONT>       * @return the html font color<a name="line.298"></a>
<FONT color="green">299</FONT>       */<a name="line.299"></a>
<FONT color="green">300</FONT>      private String toHex(Color color) {<a name="line.300"></a>
<FONT color="green">301</FONT>        return "#" + Integer.toHexString(color.getRed())<a name="line.301"></a>
<FONT color="green">302</FONT>            + Integer.toHexString(color.getGreen())<a name="line.302"></a>
<FONT color="green">303</FONT>            + Integer.toBinaryString(color.getBlue());<a name="line.303"></a>
<FONT color="green">304</FONT>      }<a name="line.304"></a>
<FONT color="green">305</FONT>    <a name="line.305"></a>
<FONT color="green">306</FONT>      /**<a name="line.306"></a>
<FONT color="green">307</FONT>       * @param request the uri<a name="line.307"></a>
<FONT color="green">308</FONT>       * @param param the font parameters<a name="line.308"></a>
<FONT color="green">309</FONT>       * @param def the font definition<a name="line.309"></a>
<FONT color="green">310</FONT>       * @return the font<a name="line.310"></a>
<FONT color="green">311</FONT>       */<a name="line.311"></a>
<FONT color="green">312</FONT>      private double getDouble(HttpServletRequest request, String param, double def) {<a name="line.312"></a>
<FONT color="green">313</FONT>        String sparam = request.getParameter(param);<a name="line.313"></a>
<FONT color="green">314</FONT>        if (sparam == null || "".equals(sparam)) {<a name="line.314"></a>
<FONT color="green">315</FONT>          return def;<a name="line.315"></a>
<FONT color="green">316</FONT>        }<a name="line.316"></a>
<FONT color="green">317</FONT>        try {<a name="line.317"></a>
<FONT color="green">318</FONT>          return Double.parseDouble(sparam);<a name="line.318"></a>
<FONT color="green">319</FONT>        }<a name="line.319"></a>
<FONT color="green">320</FONT>        catch (NumberFormatException nfe) {<a name="line.320"></a>
<FONT color="green">321</FONT>          return def;<a name="line.321"></a>
<FONT color="green">322</FONT>        }<a name="line.322"></a>
<FONT color="green">323</FONT>      }<a name="line.323"></a>
<FONT color="green">324</FONT>    <a name="line.324"></a>
<FONT color="green">325</FONT>      /**<a name="line.325"></a>
<FONT color="green">326</FONT>       * @param request uri<a name="line.326"></a>
<FONT color="green">327</FONT>       * @param param font parameters<a name="line.327"></a>
<FONT color="green">328</FONT>       * @param def font definition<a name="line.328"></a>
<FONT color="green">329</FONT>       * @return the font<a name="line.329"></a>
<FONT color="green">330</FONT>       */<a name="line.330"></a>
<FONT color="green">331</FONT>      private int getInt(HttpServletRequest request, String param, int def) {<a name="line.331"></a>
<FONT color="green">332</FONT>        String sparam = request.getParameter(param);<a name="line.332"></a>
<FONT color="green">333</FONT>        if (sparam == null || "".equals(sparam)) {<a name="line.333"></a>
<FONT color="green">334</FONT>          return def;<a name="line.334"></a>
<FONT color="green">335</FONT>        }<a name="line.335"></a>
<FONT color="green">336</FONT>        try {<a name="line.336"></a>
<FONT color="green">337</FONT>          return Integer.parseInt(sparam);<a name="line.337"></a>
<FONT color="green">338</FONT>        }<a name="line.338"></a>
<FONT color="green">339</FONT>        catch (NumberFormatException nfe) {<a name="line.339"></a>
<FONT color="green">340</FONT>          return def;<a name="line.340"></a>
<FONT color="green">341</FONT>        }<a name="line.341"></a>
<FONT color="green">342</FONT>      }<a name="line.342"></a>
<FONT color="green">343</FONT>    <a name="line.343"></a>
<FONT color="green">344</FONT>      /**<a name="line.344"></a>
<FONT color="green">345</FONT>       * @param fontFamily the font family name<a name="line.345"></a>
<FONT color="green">346</FONT>       * @param fontWeight the font weight<a name="line.346"></a>
<FONT color="green">347</FONT>       * @param fontSize the font size<a name="line.347"></a>
<FONT color="green">348</FONT>       * @param color the html font color<a name="line.348"></a>
<FONT color="green">349</FONT>       * @param angle the font angle<a name="line.349"></a>
<FONT color="green">350</FONT>       * @return the font metrics<a name="line.350"></a>
<FONT color="green">351</FONT>       */<a name="line.351"></a>
<FONT color="green">352</FONT>      public RenderedFontMetrics getRenderedFontMetrics(String fontFamily,<a name="line.352"></a>
<FONT color="green">353</FONT>          String fontWeight, String fontSize, String color, float angle) {<a name="line.353"></a>
<FONT color="green">354</FONT>        return getRenderedFontMetrics(getThreadLocalRequest(), fontFamily,<a name="line.354"></a>
<FONT color="green">355</FONT>            fontWeight, fontSize, color, angle);<a name="line.355"></a>
<FONT color="green">356</FONT>      }<a name="line.356"></a>
<FONT color="green">357</FONT>    <a name="line.357"></a>
<FONT color="green">358</FONT>      /**<a name="line.358"></a>
<FONT color="green">359</FONT>       * @param req the request uri<a name="line.359"></a>
<FONT color="green">360</FONT>       * @param fontFamily the font family name<a name="line.360"></a>
<FONT color="green">361</FONT>       * @param fontWeight the font weight<a name="line.361"></a>
<FONT color="green">362</FONT>       * @param fontSize the font size<a name="line.362"></a>
<FONT color="green">363</FONT>       * @param color the font color<a name="line.363"></a>
<FONT color="green">364</FONT>       * @param angle the font angle<a name="line.364"></a>
<FONT color="green">365</FONT>       * @return the font metrics<a name="line.365"></a>
<FONT color="green">366</FONT>       */<a name="line.366"></a>
<FONT color="green">367</FONT>      public RenderedFontMetrics getRenderedFontMetrics(HttpServletRequest req,<a name="line.367"></a>
<FONT color="green">368</FONT>          String fontFamily, String fontWeight, String fontSize, String color,<a name="line.368"></a>
<FONT color="green">369</FONT>          float angle) {<a name="line.369"></a>
<FONT color="green">370</FONT>        String modFontWeight = fontWeight;<a name="line.370"></a>
<FONT color="green">371</FONT>        if ("Verdana".equalsIgnoreCase(fontFamily)<a name="line.371"></a>
<FONT color="green">372</FONT>            &amp;&amp; fontWeight.equalsIgnoreCase("10pt")) {<a name="line.372"></a>
<FONT color="green">373</FONT>          modFontWeight = "9pt";<a name="line.373"></a>
<FONT color="green">374</FONT>        }<a name="line.374"></a>
<FONT color="green">375</FONT>        Font f = new Font(fontFamily, getFontWeight(Font.PLAIN, modFontWeight),<a name="line.375"></a>
<FONT color="green">376</FONT>            getFontSize(9, fontSize));<a name="line.376"></a>
<FONT color="green">377</FONT>        BufferedImage nop = new BufferedImage(4, 1, BufferedImage.TYPE_INT_ARGB);<a name="line.377"></a>
<FONT color="green">378</FONT>        Graphics2D g2d = nop.createGraphics();<a name="line.378"></a>
<FONT color="green">379</FONT>        g2d.setFont(f);<a name="line.379"></a>
<FONT color="green">380</FONT>        FontMetrics fm = g2d.getFontMetrics();<a name="line.380"></a>
<FONT color="green">381</FONT>        Rectangle2D cb = getMaxCharBounds(g2d);<a name="line.381"></a>
<FONT color="green">382</FONT>        cb = getMaxCharBounds(g2d);<a name="line.382"></a>
<FONT color="green">383</FONT>    <a name="line.383"></a>
<FONT color="green">384</FONT>        RenderedFontMetrics rfm = new RenderedFontMetrics();<a name="line.384"></a>
<FONT color="green">385</FONT>        rfm.maxAdvance = fm.getMaxAdvance();<a name="line.385"></a>
<FONT color="green">386</FONT>        rfm.maxAscent = fm.getMaxAscent();<a name="line.386"></a>
<FONT color="green">387</FONT>        rfm.maxDescent = fm.getMaxDescent();<a name="line.387"></a>
<FONT color="green">388</FONT>        rfm.leading = fm.getLeading();<a name="line.388"></a>
<FONT color="green">389</FONT>        rfm.advances = fm.getWidths();<a name="line.389"></a>
<FONT color="green">390</FONT>        rfm.maxBoundsWidth = (int) cb.getWidth();<a name="line.390"></a>
<FONT color="green">391</FONT>        rfm.maxBoundsHeight = (int) cb.getHeight();<a name="line.391"></a>
<FONT color="green">392</FONT>    <a name="line.392"></a>
<FONT color="green">393</FONT>        if (req != null) {<a name="line.393"></a>
<FONT color="green">394</FONT>          String host = req.getHeader("host");<a name="line.394"></a>
<FONT color="green">395</FONT>    <a name="line.395"></a>
<FONT color="green">396</FONT>          try {<a name="line.396"></a>
<FONT color="green">397</FONT>            rfm.url = req.getScheme() + "://" + host + req.getRequestURI() + "?ff="<a name="line.397"></a>
<FONT color="green">398</FONT>                + fontFamily + "&amp;fw=" + modFontWeight + "&amp;fs=" + fontSize + "&amp;c="<a name="line.398"></a>
<FONT color="green">399</FONT>                + URLEncoder.encode(color, "UTF-8") + "&amp;a=" + angle;<a name="line.399"></a>
<FONT color="green">400</FONT>          }<a name="line.400"></a>
<FONT color="green">401</FONT>          catch (UnsupportedEncodingException e) {<a name="line.401"></a>
<FONT color="green">402</FONT>            // TODO Auto-generated catch block<a name="line.402"></a>
<FONT color="green">403</FONT>            e.printStackTrace();<a name="line.403"></a>
<FONT color="green">404</FONT>          }<a name="line.404"></a>
<FONT color="green">405</FONT>    <a name="line.405"></a>
<FONT color="green">406</FONT>        }<a name="line.406"></a>
<FONT color="green">407</FONT>        return rfm;<a name="line.407"></a>
<FONT color="green">408</FONT>    <a name="line.408"></a>
<FONT color="green">409</FONT>      }<a name="line.409"></a>
<FONT color="green">410</FONT>    <a name="line.410"></a>
<FONT color="green">411</FONT>      /**<a name="line.411"></a>
<FONT color="green">412</FONT>       * @param g2d a java 2d canvas<a name="line.412"></a>
<FONT color="green">413</FONT>       * @return a java 2d canvas<a name="line.413"></a>
<FONT color="green">414</FONT>       */<a name="line.414"></a>
<FONT color="green">415</FONT>      private Rectangle2D getMaxCharBounds(Graphics2D g2d) {<a name="line.415"></a>
<FONT color="green">416</FONT>        int maxWidth = 0;<a name="line.416"></a>
<FONT color="green">417</FONT>        int maxHeight = 0;<a name="line.417"></a>
<FONT color="green">418</FONT>        for (char c = 0; c &lt; 256; c++) {<a name="line.418"></a>
<FONT color="green">419</FONT>          Font f = g2d.getFont();<a name="line.419"></a>
<FONT color="green">420</FONT>          if (f.canDisplay(c)) {<a name="line.420"></a>
<FONT color="green">421</FONT>            TextLayout tl = new TextLayout("" + c, f, g2d.getFontRenderContext());<a name="line.421"></a>
<FONT color="green">422</FONT>            Rectangle2D b = tl.getBounds();<a name="line.422"></a>
<FONT color="green">423</FONT>            maxWidth = (int) Math.max(maxWidth, b.getWidth() + 5);<a name="line.423"></a>
<FONT color="green">424</FONT>            maxHeight = (int) Math.max(maxHeight, b.getHeight() + 5);<a name="line.424"></a>
<FONT color="green">425</FONT>          }<a name="line.425"></a>
<FONT color="green">426</FONT>        }<a name="line.426"></a>
<FONT color="green">427</FONT>        int max = Math.max(maxWidth, maxHeight);<a name="line.427"></a>
<FONT color="green">428</FONT>        return new Rectangle(0, 0, max, max);<a name="line.428"></a>
<FONT color="green">429</FONT>      }<a name="line.429"></a>
<FONT color="green">430</FONT>    <a name="line.430"></a>
<FONT color="green">431</FONT>    }<a name="line.431"></a>




























































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